Specialty
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The role
The company is hiring a Senior Machine Learning Engineer for its Ads Response Prediction team. The research-leaning role works on click and conversion prediction models, debiasing and sequence modeling for ads. The company describes a Flex First, remote-friendly approach.
What you will do
- Research and build pCTR and conversion prediction models with better calibration
- Apply debiasing techniques such as inverse propensity weighting and negative sampling
- Contribute to the multi-domain multi-task model architecture, including mixture-of-experts and transformer layers
- Work on generative retrieval and Semantic ID representation learning for ads surfaces
- Turn business observations into defined ML research directions
- Present findings internally and take part in design reviews
What they ask for
- Master's or PhD in ML, statistics, computer science or a related field, or equivalent experience
- 3+ years applying ML to ranking, recommendation or prediction at scale
- Knowledge of CTR and conversion modeling, such as DeepFM, DCN and multi-task learning
- Foundation in causal inference and training-data bias mitigation
- Python and PyTorch, TensorFlow or JAX
- SQL, Spark and Pandas
- Clear communication to product managers and data scientists
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